* {
    margin: 0;
    padding: 0;
    border: 0;
}

.icon-love {
    width: 400px;
}

html,
body {
    width: 100%;
    height: 100%;
}

body {
    /*background-color: skyblue;*/
    overflow: hidden;
    /*隐藏超出的部分*/
}

.container {
    width: 100%;
    height: 100%;
    position: relative;
}

/*---------------------- body_left -------------------------*/
.body_left {
    width: 300px;
    height: 300px;
    left: 0;
    bottom: 110px;
    position: absolute;
    z-index: 98;

}

/*---------------------- body_left -------------------------*/

/*---------------------- body_center -------------------------*/
.container .love {
    width: 520px;
    /* 13 * 40 */
    height: 440px;
    /* 11 * 40 */
    left: 50%;
    top: 50%;
    position: absolute;
    margin: -260px 0 0 -220px;
    /*background-color: gray;*/
}

.love .block {
    right: 0;
    position: absolute;
    visibility: hidden;
    /*未开始升空动画前隐藏*/
    background-color: yellow;
}

.love .block div {
    width: 40px;
    height: 40px;
    position: absolute;
    background: url("../images/heart.png") no-repeat;
    background-size: contain;
    /*background-color: #c40908;*/
    /*border: 1px solid silver;*/
    box-sizing: border-box;
}


/*---------------------- body_center -------------------------*/

/*---------------------- footer -------------------------*/
@keyframes border {
    0% {
        width: 0;
    }

    5% {
        width: 5%;
    }

    10% {
        width: 10%;
    }

    15% {
        width: 15%;
    }

    20% {
        width: 20%;
    }

    25% {
        width: 25%;
    }

    30% {
        width: 30%;
    }

    35% {
        width: 35%;
    }

    40% {
        width: 40%;
    }

    45% {
        width: 45%;
    }

    50% {
        width: 50%;
    }

    55% {
        width: 55%;
    }

    60% {
        width: 60%;
    }

    65% {
        width: 65%;
    }

    70% {
        width: 70%;
    }

    75% {
        width: 75%;
    }

    80% {
        width: 80%;
    }

    85% {
        width: 85%;
    }

    90% {
        width: 90%;
    }

    95% {
        width: 95%;
    }

    100% {
        width: 100%;
    }

}

.footer {
    bottom: 30px;
    position: relative;
    z-index: 99;
}

.footer .border .border-top {
    /*width: 0;*/
    /*display: inline-block;*/
    border-top: 3px solid black;
    transform-origin: left center;
    -webkit-animation: border 312 linear;
    -o-animation: border 12s linear;
    animation: border 12s linear;
    animation-fill-mode: both;
    /*border-bottom: none;*/
}

.footer .border .border-bottom {
    /*width: 0;*/
    /*display: inline-block;*/
    float: right;
    border-top: 3px solid red;
    transform-origin: right center;
    -webkit-animation: border 7s linear 12s;
    -o-animation: border 7s linear 12s;
    animation: border 7s linear 12s;
    animation-fill-mode: both;
    /*border-bottom: none;*/
}

.footer .copyright {
    width: 100%;
    height: 30px;
    position: absolute;
    bottom: -30px;
    text-align: center;
    /*background-color: gray;*/

}

.copyright div {
    width: 30%;
    line-height: 30px;
    display: inline-block;
}

.copyright div span {
    color: dimgray;
}

/*---------------------- footer -------------------------*/